//
// Copyright 2016 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#include "pxr/imaging/glfq/glDebugContext.h"
#include "pxr/imaging/garch/glPlatformDebugContext.h"

#include "pxr/base/tf/diagnostic.h"

GlfQGLDebugContext::GlfQGLDebugContext(const QGLFormat & format)
    : QGLContext(format)
{
    // nothing
}

GlfQGLDebugContext::~GlfQGLDebugContext()
{
    // nothing
}

/* virtual */
bool
GlfQGLDebugContext::create(const QGLContext * shareContext)
{
    _platformContext.reset();
    return Parent::create(shareContext);
}

/* virtual */
void
GlfQGLDebugContext::makeCurrent()
{
    Parent::makeCurrent();
    if (not _platformContext) {
        _platformContext.reset(new
            GarchGLPlatformDebugContext(
                format().majorVersion(),
                format().minorVersion(),
                format().profile() == QGLFormat::CoreProfile,
                format().directRendering()));
    }
    TF_VERIFY(_platformContext);
    _platformContext->makeCurrent();

}

#if defined(ARCH_OS_DARWIN)
/* virtual */
void*
GlfQGLDebugContext::chooseMacVisual(GDHandle handle)
{
    if (not _platformContext) {
        _platformContext.reset(new
            GarchGLPlatformDebugContext(
                format().majorVersion(),
                format().minorVersion(),
                format().profile() == QGLFormat::CoreProfile,
                format().directRendering()));
    }
    TF_VERIFY(_platformContext);
    void * visual = _platformContext->chooseMacVisual();
    if (not visual) {
        return Parent::chooseMacVisual(handle);
    }
    return visual;
}
#endif
